Static methods for the displaing image from universalimageloader with deifference parameters.

ImageLoaderFactory.java

package com.sirelon;

import android.graphics.Bitmap;
import android.view.View;
import android.widget.ImageView;
import android.widget.ProgressBar;

import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.listener.ImageLoadingProgressListener;
import com.nostra13.universalimageloader.core.listener.SimpleImageLoadingListener;

/**
 * Created by romanishin on 15.12.14.
 */
public class ImageLoaderFactory {

  public static void initSimpleImageLoader(Context context){
        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(context.getApplicationContext())
                .build();
        ImageLoader.getInstance().init(config);
    }

    public static void displayImage(int imgId, ImageView imageView) {
        displayImage(imgId, imageView, null);
    }

    public static void displayImage(int imgId, ImageView imageView, final ProgressBar holder) {
        String imageUrl = "" + android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI + "/" + imgId;
        displayImage(imageUrl, imageView, defaultOptions(), holder);
    }

    public static void displayImage(String imageUrl, ImageView imageView) {
        displayImage(imageUrl, imageView, defaultOptions(), null);
    }


    public static void displayImage(String imageUrl, ImageView imageView, final ProgressBar progressBar) {
        displayImage(imageUrl, imageView, defaultOptions(), progressBar);
    }

    private static DisplayImageOptions defaultOptions() {
//        DisplayImageOptions options = new DisplayImageOptions.Builder()
//                .showImageOnLoading(R.drawable.image_loaded)
////                .showImageForEmptyUri(R.drawable.ic_launcher)
////                .showImageOnFail(R.drawable.logo)
//                .cacheInMemory(false)
////                .cacheInMemory(true)
//                .cacheOnDisk(true)
//                .considerExifParams(false)
////                .considerExifParams(true)
//                .bitmapConfig(Bitmap.Config.RGB_565)
//                .build();

        DisplayImageOptions options = new DisplayImageOptions.Builder().
                imageScaleType(ImageScaleType.EXACTLY)
                .resetViewBeforeLoading(true)
                .bitmapConfig(Bitmap.Config.RGB_565)
                .cacheInMemory(true)
                .cacheOnDisc(true).build();
        return options;
    }

    public static void displayImage(String imageUrl, ImageView imageView, DisplayImageOptions options, final ProgressBar progressBar) {

        SimpleImageLoading listener = new SimpleImageLoading(progressBar);
        com.nostra13.universalimageloader.core.ImageLoader.getInstance()
                .displayImage(imageUrl, imageView, options, listener, listener);

    }

    private static class SimpleImageLoading extends SimpleImageLoadingListener implements ImageLoadingProgressListener {

        private ProgressBar progressBar;

        public SimpleImageLoading(ProgressBar progressBar) {
            this.progressBar = progressBar;
        }

        @Override
        public void onLoadingStarted(String imageUri, View view) {
            visible(View.VISIBLE);
        }

        @Override
        public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
            visible(View.GONE);
        }

        @Override
        public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
            visible(View.GONE);
        }

        @Override
        public void onProgressUpdate(String imageUri, View view, int current, int total) {
            if (progressBar != null)
                progressBar.setProgress(Math.round(100.0f * current / total));
        }

        private void visible(int opt) {
            if (progressBar != null)
                progressBar.setVisibility(opt);
        }
    }
}